Babashka Script to setup fvm version from pubspec.yaml's environment key

setup_flutter_env.clj

;; environment:
;;   sdk: '>=3.1.5 <4.0.0'
;;   flutter: '3.16.2' <- from this one

#!/usr/bin/env bb

(require
  '[babashka.process :refer [shell process exec]]
  '[clojure.java.io :as io])

(def pubspec-content (slurp "pubspec.yaml"))

(def version
  (let [match (re-find #"flutter: '([.\d]+)'" pubspec-content)]
       (second match)))

(shell "fvm use" version)

(spit ".envrc" "PATH_add .fvm/flutter_sdk/bin/" :append true)

(if-let [need-install? (= 1 (some-> (shell/sh "command" "-v" "direnv")
                                    :exit))]
        (shell "brew install direnv"))

;; zsh needs to run `eval "$(direnv hook zsh)"`
(shell "direnv allow")